The Laṅkāvatāra Sūtra draws upon the concepts and doctrines of Yogācāra and Tathāgatagarbha.[1] The most important doctrine issuing from the Laṅkāvatāra Sūtra is that of the primacy of consciousness (Skt. vijñāna) and the teaching of consciousness as the only reality. The sūtra asserts that all the objects of the world, and the names and forms of experience, are merely manifestations of the mind. The Laṅkāvatāra Sūtra describes the various tiers of consciousness in the individual, culminating in the “storehouse consciousness” (Skt. Ālayavijñāna), which is the base of the individual’s deepest awareness and his tie to the cosmic.[citation needed]